private class HTTPHandler extends SimpleChannelInboundHandler<HttpRequest> {
......
        @Override
        protected void channelRead0(ChannelHandlerContext ctx, HttpRequest httpRequest) throws Exception {
            if (httpRequest == null) {
                return;
            }

            if (Objects.nonNull(handlerService) && handlerService.isProcessorWrapper(httpRequest)) {
                handlerService.handler(ctx, httpRequest, asyncContextCompleteHandler);
                return;
            }
......
}